M1.5 earthquake 16km WNW of Petrolia, CA

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Jun 15, 2021, 4:27 AM PDT

UTC

2021-06-15 11:27:21 UTC

Depth

16.4 km (10.2 mi), shallow

Epicenter

40.379° N, 124.462° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.27

Depth from

From location

Station coverage gap

260°, poorly surrounded by stations

Stations used

11

• Ferndale, CaliforniaPopulation 1,369. Forecast28 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast35 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast235 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast893 kmNW

After

1. 2.417km NW of Petrolia, CAWed, Jun 16, 11:18 PM PDT · 1935 days ago · 23 km deep · 5 km away
2. 2.110km WSW of Petrolia, CASat, Jun 19, 2:07 AM PDT · 1933 days ago · 17 km deep · 12 km away
3. 2.842km W of Petrolia, CASun, Jun 20, 3:16 AM PDT · 1932 days ago · 19 km deep · 27 km away
4. 1.59km WSW of Petrolia, CAMon, Jun 21, 3:57 PM PDT · 1931 days ago · 9 km deep · 11 km away
5. 2.27km NE of Shelter Cove, CAThu, Jun 24, 5:03 AM PDT · 1928 days ago · 21 km deep · 51 km away
6. 2.966km W of Petrolia, CAFri, Jun 25, 11:34 PM PDT · 1926 days ago · 8 km deep · 50 km away · felt by 3
7. 2.220km SE of Willow Creek, CASat, Jun 26, 9:15 AM PDT · 1926 days ago · 23 km deep · 97 km away
8. 1.88km ESE of Redway, CASat, Jun 26, 11:13 PM PDT · 1925 days ago · 22 km deep · 70 km away
9. 2.436km NNE of Redway, CASun, Jun 27, 1:34 AM PDT · 1925 days ago · 29 km deep · 71 km away
10. 3.1100km W of Petrolia, CASun, Jun 27, 11:57 AM PDT · 1925 days ago · 6 km deep · 85 km away
11. 1.89km W of Willow Creek, CAMon, Jun 28, 7:30 PM PDT · 1924 days ago · 12 km deep · 86 km away
12. 2.311km SSW of Ferndale, CAWed, Jun 30, 12:26 PM PDT · 1922 days ago · 19 km deep · 17 km away
13. 2.015km SW of Petrolia, CAFri, Jul 2, 3:51 PM PDT · 1920 days ago · 7 km deep · 19 km away
14. 1.722km W of Petrolia, CASun, Jul 4, 1:35 PM PDT · 1918 days ago · 26 km deep · 7 km away
15. 2.011km SSW of Ferndale, CATue, Jul 6, 5:19 PM PDT · 1916 days ago · 19 km deep · 18 km away
16. 2.821km W of Petrolia, CASat, Jul 10, 3:32 AM PDT · 1912 days ago · 20 km deep · 11 km away
17. 2.022km W of Petrolia, CASat, Jul 10, 3:35 AM PDT · 1912 days ago · 19 km deep · 12 km away
18. 3.9104km W of Petrolia, CASun, Jul 11, 5:59 AM PDT · 1911 days ago · 5 km deep · 88 km away · felt by 4
19. 3.457km W of Petrolia, CASun, Jul 11, 8:43 PM PDT · 1911 days ago · 6 km deep · 42 km away · felt by 7
20. 1.79km SSW of Ferndale, CASun, Jul 11, 11:51 PM PDT · 1910 days ago · 18 km deep · 20 km away
21. 1.69km SSW of Ferndale, CASun, Jul 11, 11:58 PM PDT · 1910 days ago · 19 km deep · 20 km away
22. 1.89km SSW of Ferndale, CAMon, Jul 12, 12:38 AM PDT · 1910 days ago · 18 km deep · 20 km away
23. 2.48km WSW of Petrolia, CATue, Jul 13, 5:55 AM PDT · 1909 days ago · 20 km deep · 12 km away
24. 2.421km W of Petrolia, CAThu, Jul 15, 5:21 AM PDT · 1907 days ago · 8 km deep · 9 km away
25. 5.112km W of Petrolia, CASat, Jul 17, 11:46 PM PDT · 1904 days ago · 31 km deep · 7 km away · felt by 751
26. 2.49km W of Petrolia, CASun, Jul 18, 12:05 AM PDT · 1904 days ago · 29 km deep · 8 km away · felt by 7
27. 2.14km SW of Petrolia, CASun, Jul 18, 12:38 AM PDT · 1904 days ago · 31 km deep · 14 km away
28. 1.69km SSE of Redway, CATue, Jul 20, 2:28 AM PDT · 1902 days ago · 19 km deep · 69 km away
29. 2.519km SE of Bayside, CATue, Jul 20, 6:57 PM PDT · 1902 days ago · 25 km deep · 61 km away
30. 4.312km WSW of Petrolia, CAWed, Jul 21, 3:05 AM PDT · 1901 days ago · 35 km deep · 12 km away · felt by 25
31. 2.856km WNW of Petrolia, CAWed, Jul 21, 3:36 AM PDT · 1901 days ago · 15 km deep · 40 km away · felt by 3
32. 1.716km SW of Ferndale, CAWed, Jul 21, 3:45 AM PDT · 1901 days ago · 25 km deep · 11 km away
33. 2.840km WNW of Petrolia, CAWed, Jul 21, 5:25 AM PDT · 1901 days ago · 24 km deep · 24 km away
34. 1.733km ENE of Hydesville, CAWed, Jul 21, 6:25 AM PDT · 1901 days ago · 26 km deep · 68 km away
35. 2.5112 km W of Ferndale, CaliforniaWed, Jul 21, 10:50 PM PDT · 1900 days ago · 10 km deep · 95 km away
36. 2.733km WNW of Petrolia, CAThu, Jul 22, 8:42 PM PDT · 1900 days ago · 23 km deep · 17 km away
37. 2.77km W of Petrolia, CAFri, Jul 23, 1:09 PM PDT · 1899 days ago · 29 km deep · 10 km away · felt by 2
38. 2.912km WSW of Petrolia, CASat, Jul 24, 4:06 PM PDT · 1898 days ago · 32 km deep · 11 km away · felt by 1
39. 2.18km W of Petrolia, CASun, Jul 25, 1:05 PM PDT · 1897 days ago · 29 km deep · 10 km away
40. 2.78km W of Petrolia, CASun, Jul 25, 4:20 PM PDT · 1897 days ago · 29 km deep · 10 km away
41. 1.75km W of Petrolia, CAMon, Jul 26, 12:27 PM PDT · 1896 days ago · 29 km deep · 12 km away
42. 1.94km ESE of Redway, CAMon, Jul 26, 5:35 PM PDT · 1896 days ago · 21 km deep · 65 km away
43. 2.38km E of Willow Creek, CAMon, Jul 26, 9:07 PM PDT · 1896 days ago · 27 km deep · 100 km away
44. 2.89km W of Petrolia, CATue, Jul 27, 3:37 AM PDT · 1895 days ago · 28 km deep · 8 km away
45. 2.56km N of Petrolia, CATue, Jul 27, 11:52 PM PDT · 1894 days ago · 27 km deep · 16 km away
46. 2.321km W of Petrolia, CAWed, Jul 28, 2:43 AM PDT · 1894 days ago · 18 km deep · 11 km away
47. 3.07km W of Petrolia, CAThu, Jul 29, 11:39 AM PDT · 1893 days ago · 29 km deep · 11 km away
48. 2.547km W of Ferndale, CAThu, Jul 29, 4:03 PM PDT · 1893 days ago · 24 km deep · 33 km away
49. 1.86km W of Petrolia, CAThu, Jul 29, 8:30 PM PDT · 1893 days ago · 28 km deep · 11 km away
50. 2.020km WSW of Petrolia, CAFri, Jul 30, 9:17 AM PDT · 1892 days ago · 18 km deep · 11 km away
51. 1.910km SSE of Redway, CAFri, Jul 30, 3:36 PM PDT · 1892 days ago · 17 km deep · 69 km away
52. 1.79km WSW of Petrolia, CASun, Aug 1, 7:00 AM PDT · 1890 days ago · 8 km deep · 11 km away
53. 2.818km W of Petrolia, CASun, Aug 1, 11:34 PM PDT · 1889 days ago · 33 km deep · 8 km away
54. 2.49km W of Petrolia, CAWed, Aug 4, 2:11 PM PDT · 1887 days ago · 29 km deep · 10 km away
55. 3.976km W of Petrolia, CAThu, Aug 5, 8:21 AM PDT · 1886 days ago · 8 km deep · 60 km away · felt by 2
56. 2.66km ENE of Petrolia, CAFri, Aug 6, 2:56 AM PDT · 1885 days ago · 29 km deep · 21 km away
57. 1.718km NNW of Laytonville, CAFri, Aug 6, 10:43 PM PDT · 1884 days ago · 5 km deep · 98 km away
58. 2.760km W of Ferndale, CASat, Aug 7, 5:57 AM PDT · 1884 days ago · 8 km deep · 52 km away
59. 2.35km W of Petrolia, CASat, Aug 7, 7:06 AM PDT · 1884 days ago · 27 km deep · 12 km away
60. 1.79km W of Petrolia, CASat, Aug 7, 9:49 AM PDT · 1884 days ago · 10 km deep · 10 km away

The first 60 of 71.

Before

1. 1.614km E of Rio Dell, CAMon, Jun 14, 11:49 PM PDT · 1937 days ago · 21 km deep · 45 km away
2. 1.714km E of Rio Dell, CAMon, Jun 14, 1:49 PM PDT · 1938 days ago · 20 km deep · 45 km away
3. 2.445km W of Ferndale, CASun, Jun 13, 2:06 PM PDT · 1939 days ago · 24 km deep · 33 km away
4. 1.84km NW of Petrolia, CASat, Jun 12, 6:17 PM PDT · 1940 days ago · 29 km deep · 13 km away
5. 1.623km W of Petrolia, CAThu, Jun 10, 10:37 PM PDT · 1941 days ago · 15 km deep · 11 km away
6. 2.513km N of Petrolia, CAWed, Jun 9, 6:49 AM PDT · 1943 days ago · 28 km deep · 18 km away
7. 1.822km NW of Petrolia, CAMon, Jun 7, 5:28 PM PDT · 1945 days ago · 20 km deep · 8 km away
8. 2.132km W of Hayfork, CAMon, Jun 7, 6:49 AM PDT · 1945 days ago · 6 km deep · 79 km away
9. 2.112km WNW of Petrolia, CASun, Jun 6, 3:33 AM PDT · 1946 days ago · 17 km deep · 4 km away
10. 2.121km W of Petrolia, CASat, Jun 5, 4:47 PM PDT · 1947 days ago · 18 km deep · 11 km away
11. 2.216km W of Petrolia, CAFri, Jun 4, 3:57 PM PDT · 1948 days ago · 15 km deep · 9 km away
12. 2.815km WNW of Willow Creek, CAThu, Jun 3, 12:34 PM PDT · 1949 days ago · 23 km deep · 87 km away
13. 2.130km NE of Redway, CAWed, Jun 2, 4:00 AM PDT · 1950 days ago · 23 km deep · 76 km away
14. 2.836km WNW of Petrolia, CATue, Jun 1, 8:27 AM PDT · 1951 days ago · 20 km deep · 20 km away
15. 2.522km W of Petrolia, CASat, May 29, 9:34 AM PDT · 1954 days ago · 21 km deep · 11 km away · felt by 1
16. 1.717km E of Petrolia, CAThu, May 27, 2:53 AM PDT · 1956 days ago · 27 km deep · 33 km away
17. 1.635km E of Hydesville, CAWed, May 26, 11:18 PM PDT · 1956 days ago · 24 km deep · 68 km away
18. 2.23km NW of Willow Creek, CAMon, May 24, 2:09 AM PDT · 1959 days ago · 23 km deep · 94 km away
19. 2.544km W of Ferndale, CAMon, May 24, 12:15 AM PDT · 1959 days ago · 18 km deep · 38 km away
20. 2.931km WNW of Petrolia, CASat, May 22, 4:14 PM PDT · 1961 days ago · 22 km deep · 15 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73577155. Read Sun, Oct 4, 2026, 4:31 PM UTC.